<template>
  <div>
    <div class="search">    
    <Input v-model="value13" >
        <Button slot="append" icon="ios-search"></Button>
    </Input>
    </div>
    <div class="welcome">
      <h2>欢迎使用eShop</h2>
      <p>Twinkle, Twinkle Little Star, How I wonder what you are!<br/>
         Up above the world so high, Like a diamond in the sky.<br/>
      </p>
      </div>

    <div class="lists" >
      <dl>
        <dt><router-link to="/news"><Icon type="asterisk"></Icon></router-link></dt>
        <dd class="news">新闻</dd>
      </dl>
     <dl>
        <dt><router-link to="/product"><Icon type="shuffle"></Icon></router-link></dt>
        <dd class="news">产品</dd>
      </dl>
      <dl>
        <dt><router-link to="/cate"><Icon type="asterisk"></Icon></router-link></dt>
        <dd class="news">服装</dd>
      </dl>
       <dl>
        <dt><router-link to="/product"><Icon type="gear-a"></Icon></router-link></dt>
        <dd class="news">手机</dd>
      </dl>
       <dl>
        <dt><router-link to="/product"><Icon type="asterisk"></Icon></router-link></dt>
        <dd class="news">图书</dd>
      </dl>
       <dl>
        <dt><router-link to="/user"><Icon type="arrow-move"></Icon></router-link></dt>
        <dd class="news">用户</dd>
      </dl>
       <dl>
        <dt><router-link to="/user"><Icon type="asterisk"></Icon></router-link></dt>
        <dd class="news">后台管理</dd>
      </dl>
     
    </div>
      <!-- date -->
 <div class="dates">
          <div class="month">
          <ul>
            <li class="arrow" @click="pickPre(currentYear,currentMonth)">❮</li>
            <li class="year-month" @click="pickYear(currentYear,currentMonth)">
            <span class="choose-year">{{ currentYear }}</span>
            <span class="choose-month">{{ currentMonth }}月</span>
            </li>
            <li class="arrow" @click="pickNext(currentYear,currentMonth)">❯</li>
          </ul>
          </div>
          <!-- 星期 -->
          <ul class="weekdays">
          <li>一</li>
          <li>二</li>
          <li>三</li>
          <li>四</li>
          <li>五</li>
          <li style="color:red">六</li>
          <li style="color:red">日</li>
          </ul>
          <!-- 日期 -->
          <ul class="days">
          <li @click="pick(day)" v-for="day in days">
            <!--本月-->
            <span v-if="day.getMonth()+1 != currentMonth" class="other-month">{{ day.getDate() }}</span>
            <span v-else>
            <!--今天-->
            <span v-if="day.getFullYear() == new Date().getFullYear() && day.getMonth() == new Date().getMonth() && day.getDate() == new Date().getDate()" class="active">{{ day.getDate() }}</span>
            <span v-else>{{ day.getDate() }}</span>
            </span>
          </li>
          </ul>
          </div>
      <!--  -->
  </div>
</template>
<script>
export default {
  data() {
    return {
      value13: "",
      select3: "day",

      currentDay: 1,
      currentMonth: 1,
      currentYear: 1970,
      currentWeek: 1,
      days: []
    };
  },
  methods: {
    initData: function(cur) {
      var date;
      if (cur) {
        date = new Date(cur);
      } else {
        date = new Date();
      }
      this.currentDay = date.getDate();
      this.currentYear = date.getFullYear();
      this.currentMonth = date.getMonth() + 1;
      this.currentWeek = date.getDay(); // 1...6,0
      if (this.currentWeek == 0) {
        this.currentWeek = 7;
      }
      var str = this.formatDate(
        this.currentYear,
        this.currentMonth,
        this.currentDay
      );
      console.log("today:" + str + "," + this.currentWeek);
      this.days.length = 0;
      // 今天是周日，放在第一行第7个位置，前面6个
      for (var i = this.currentWeek - 1; i >= 0; i--) {
        var d = new Date(str);
        d.setDate(d.getDate() - i);
        console.log("y:" + d.getDate());
        this.days.push(d);
      }
      for (var i = 1; i <= 35 - this.currentWeek; i++) {
        var d = new Date(str);
        d.setDate(d.getDate() + i);
        this.days.push(d);
      }
    },
    pick: function(date) {
      alert(
        this.formatDate(date.getFullYear(), date.getMonth() + 1, date.getDate())
      );
    },
    pickPre: function(year, month) {
      var d = new Date(this.formatDate(year, month, 1));
      d.setDate(0);
      this.initData(this.formatDate(d.getFullYear(), d.getMonth() + 1, 1));
    },
    pickNext: function(year, month) {
      var d = new Date(this.formatDate(year, month, 1));
      d.setDate(35);
      this.initData(this.formatDate(d.getFullYear(), d.getMonth() + 1, 1));
    },
    pickYear: function(year, month) {
      alert(year + "," + month);
    },

    // 返回 类似 2016-01-02 格式的字符串
    formatDate: function(year, month, day) {
      var y = year;
      var m = month;
      if (m < 10) m = "0" + m;
      var d = day;
      if (d < 10) d = "0" + d;
      return y + "-" + m + "-" + d;
    }
  },
  created: function() {
    this.initData(null);
  }
};
</script>

<style scoped lang="scss">
.welcome {
  font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
  width: 100%;
  height: 170px;
  padding-left: 20px;
  border: 2px solid #f0f0f0;
  margin-top: 40px;
  h2 {
    line-height: 80px;
  }
}
.search {
  width: 350px;
  right: 15px;
  position: absolute;
  top: 5px;
}

.lists{
  margin-top:20px;
  width:800px;
  display: flex;
  flex-wrap:wrap;
  justify-content: space-around;
 dt{
   padding:20px 25px;
   background:#ccc;
   border-radius: 50%;
   overflow: hidden;
   margin:20px;
  }
  .ivu-icon{ font-size: 60px;} 
  .news{
    padding-left:55px;
    color: #00b8ec;
  }
}

//  start
* {
  box-sizing: border-box;
}
.dates {
  width: 300px;
  position: absolute;
  right: 0px;
  bottom: 0;
  height: 300px;
}
ul {
  list-style-type: none;
}

body {
  font-family: Verdana, sans-serif;
  background: #e8f0f3;
}
#calendar {
  width: 80%;
  margin: 0 auto;
  box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 3px 1px -2px rgba(0, 0, 0, 0.1),
    0 1px 5px 0 rgba(0, 0, 0, 0.12);
}
.month {
  width: 100%;
  background: #495060;
}

.month ul {
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: space-between;
}

.year-month {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-around;
}

.year-month:hover {
  background: rgba(150, 2, 12, 0.1);
}

.choose-year {
  padding-left: 10px;
  padding-right: 10px;
}

.choose-month {
  text-align: center;
}

.arrow {
  padding: 5px 30px;
}

.arrow:hover {
  background: rgba(100, 2, 12, 0.1);
}

.month ul li {
  color: white;
  font-size: 20px;
  text-transform: uppercase;
  letter-spacing: 3px;
}

.weekdays {
  margin: 0;
  padding: 10px 0;
  background-color: #495060;
  display: flex;
  flex-wrap: wrap;
  color: #ffffff;
  justify-content: space-around;
}

.weekdays li {
  display: inline-block;
  width: 13.6%;
  text-align: center;
}

.days {
  padding: 0;
  background: #ffffff;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}

.days li {
  list-style-type: none;
  display: inline-block;
  width: 14.2%;
  text-align: center;
  padding-bottom: 8px;
  padding-top: 8px;
  font-size: 1rem;
  color: #000;
}

.days li .active {
  padding: 6px 10px;
  border-radius: 50%;
  background: #00b8ec;
  color: #fff;
}

.days li .other-month {
  padding: 5px;
  color: gainsboro;
}

.days li:hover {
  background: #e1e1e1;
}

// end
</style>
